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Best AWS Private Certificate Authority Alternatives in 2026

Updated

20 platforms from public key infrastructure software ranked against AWS Private Certificate Authority on the same published basis.

  1. 1
    EJBCA Free plan apiLinuxself-hostedWeb Free7.6
    AWS Private Certificate Authority vs EJBCA
  2. 2
    EZCA Free trial AndroidapiiOSLinuxMac $200/mo7.3
    AWS Private Certificate Authority vs EZCA
  3. 3
    KeyTalk CKMS Free trial AndroidiOSLinuxMacself-hosted €5/mo7.2
    AWS Private Certificate Authority vs KeyTalk CKMS
  4. 4
    OpenCA PKI Free plan LinuxMacself-hostedWeb Free7.2
    AWS Private Certificate Authority vs OpenCA PKI
  5. 5
    step-ca Free plan apiLinuxMacself-hostedWin Free7.2
    AWS Private Certificate Authority vs step-ca
  6. 6
    OpenXPKI Free plan apiLinuxself-hostedWeb Free7.1
    AWS Private Certificate Authority vs OpenXPKI
  7. 7
    XiPKI Free plan apiLinuxMacself-hosted Free7.1
    AWS Private Certificate Authority vs XiPKI
  8. 8
    Keyfactor Platform Free trial apiself-hostedWeb 7.0
    AWS Private Certificate Authority vs Keyfactor Platform
  9. 9
    Boulder Free plan apiLinuxself-hosted Free6.9
    AWS Private Certificate Authority vs Boulder
  10. 11
    Sectigo Certificate Manager Free trial apiWeb $20.83/mo6.8
    AWS Private Certificate Authority vs Sectigo Certificate Manager
  11. 12
    SecureW2 Cloud NAC AndroidapiiOSLinuxMac 6.8
    AWS Private Certificate Authority vs SecureW2 Cloud NAC
  12. 13
    AppViewX PKIaaS Free trial apiself-hostedWeb 6.7
    AWS Private Certificate Authority vs AppViewX PKIaaS
  13. 14
    cert-manager Free plan apiLinuxself-hosted Free6.6
    AWS Private Certificate Authority vs cert-manager
  14. 15
    Dogtag Certificate System Free plan apiLinuxself-hosted Free6.6
    AWS Private Certificate Authority vs Dogtag Certificate System
  15. 16
    Entrust Certificate Manager AndroidapiiOSLinuxself-hosted 6.6
    AWS Private Certificate Authority vs Entrust Certificate Manager
  16. 17
    HashiCorp Nomad apiLinuxMacself-hostedWeb 6.6
    AWS Private Certificate Authority vs HashiCorp Nomad
  17. 18
    Cloudflare Serverless Registry LinuxMacself-hostedWin 6.5
    AWS Private Certificate Authority vs Cloudflare Serverless Registry
  18. 19
    SSL.com Certificate Lifecycle Management apiWeb 6.5
    AWS Private Certificate Authority vs SSL.com Certificate Lifecycle Management
  19. 20
    DigiCert Private CA apiLinuxself-hostedWeb 6.4
    AWS Private Certificate Authority vs DigiCert Private CA
  20. 21
    GlobalSign Atlas apiWeb 6.4
    AWS Private Certificate Authority vs GlobalSign Atlas

AWS Private Certificate Authority alternatives compared

#PlatformScoreFree planFromRuns on
1EJBCA7.6Free planFreeAPI, Linux, self-hosted, Web
2EZCA7.3No$200/moAndroid, API, iOS, Linux, Mac, self-hosted, Web, Windows
3KeyTalk CKMS7.2€5/moAndroid, iOS, Linux, Mac, self-hosted, Windows
4OpenCA PKI7.2Free planFreeLinux, Mac, self-hosted, Web
5step-ca7.2Free planFreeAPI, Linux, Mac, self-hosted, Windows
6OpenXPKI7.1Free planFreeAPI, Linux, self-hosted, Web
7XiPKI7.1Free planFreeAPI, Linux, Mac, self-hosted
8Keyfactor Platform7.0API, self-hosted, Web
9Boulder6.9Free planFreeAPI, Linux, self-hosted
11Sectigo Certificate Manager6.8No$20.83/moAPI, Web
12SecureW2 Cloud NAC6.8Android, API, iOS, Linux, Mac, Web, Windows
13AppViewX PKIaaS6.7API, self-hosted, Web
14cert-manager6.6Free planFreeAPI, Linux, self-hosted
15Dogtag Certificate System6.6Free planFreeAPI, Linux, self-hosted
16Entrust Certificate Manager6.6Android, API, iOS, Linux, self-hosted, Web
17HashiCorp Nomad6.6API, Linux, Mac, self-hosted, Web, Windows
18Cloudflare Serverless Registry6.5Linux, Mac, self-hosted, Windows
19SSL.com Certificate Lifecycle Management6.5API, Web
20DigiCert Private CA6.4API, Linux, self-hosted, Web
21GlobalSign Atlas6.4API, Web
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Questions about AWS Private Certificate Authority alternatives

What is the best alternative to AWS Private Certificate Authority?

EJBCA, number 1 in public key infrastructure software with a score of 7.6 out of 10. The others here: EZCA, KeyTalk CKMS, OpenCA PKI and 16 more.

What is the best free alternative to AWS Private Certificate Authority?

EJBCA is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.